<template>
  <div class="login">
    <el-tabs v-model="activeName" @tab-click="handleClick">
      <el-tab-pane label="管理系统" name="first">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
          <h3 class="title">通用后台管理系统</h3>
          <el-form-item prop="code">
            <el-input v-model="loginForm.code" type="text" auto-complete="off" placeholder="租户代码">
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
            </el-input>
          </el-form-item>
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
            </el-input>
          </el-form-item>
          <el-form-item prop="code">
            <el-input
              v-model="loginForm.captcha"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCaptcha" class="login-code-img"/>
            </div>
          </el-form-item>
          <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
          <el-form-item style="width:100%;">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;"
              @click.native.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
          </el-form-item>
        </el-form>
      </el-tab-pane>
      <el-tab-pane label="运维系统" name="second">
        <el-form ref="superLoginForm" :model="superLoginForm" :rules="superLoginRules" class="login-form">
          <h3 class="title">通用后台运维系统</h3>
          <el-form-item prop="username">
            <el-input v-model="superLoginForm.username" type="text" auto-complete="off" placeholder="账号">
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="superLoginForm.password"
              type="password"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter.native="superHandleLogin"
            >
              <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
            </el-input>
          </el-form-item>
          <el-form-item style="width:100%;">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;"
              @click.native.prevent="superHandleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
          </el-form-item>
        </el-form>
      </el-tab-pane>
    </el-tabs>

    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2021.</span>
    </div>
  </div>
</template>

<script>
import {getCodeImg} from "@/api/login";
import Cookies from "js-cookie";
import {decrypt, encrypt} from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        userType: "01",
        code: "luca",
        username: "luca",
        password: "admin123",
        rememberMe: false,
        captcha: "1234",
        uuid: ""
      },
      superLoginForm: {
        userType: "00",
        username: "super",
        password: "admin123",
        uuid: ""
      },
      loginRules: {
        code: [
          {required: true, trigger: "blur", message: "租户代码不能为空"}
        ],
        username: [
          {required: true, trigger: "blur", message: "用户名不能为空"}
        ],
        password: [
          {required: true, trigger: "blur", message: "密码不能为空"}
        ],
        captcha: [
          {required: false, trigger: "change", message: "验证码不能为空"}
        ]
      },
      superLoginRules: {
        username: [
          {required: true, trigger: "blur", message: "用户名不能为空"}
        ],
        password: [
          {required: true, trigger: "blur", message: "密码不能为空"}
        ],
      },
      loading: false,
      redirect: undefined,
      activeName: 'second'
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCaptcha();
    this.getCookie();
  },
  methods: {
    getCaptcha() {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.data.img;
        this.loginForm.uuid = res.data.uuid;
      });
    },
    getCookie() {
      const code = Cookies.get("code");
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe');
      const userType = Cookies.get('userType')
      this.loginForm = {
        code: code === undefined ? this.loginForm.code : code,
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        userType: userType === undefined ? this.loginForm.userType : userType
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        console.log(this.loginForm.userType)
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("code", this.loginForm.code, {expires: 30});
            Cookies.set("username", this.loginForm.username, {expires: 30});
            Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
            Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
          } else {
            Cookies.remove("code");
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({path: this.redirect || "/"});
            })
            .catch(() => {
              this.loading = false;
              this.getCaptcha();
            });
        }
      });
    },
    superHandleLogin() {
      this.$refs.superLoginForm.validate(valid => {
        console.log(this.superLoginForm)
        if (valid) {
          this.loading = true;
          Cookies.remove("username");
          Cookies.remove("password");
          this.$store
            .dispatch("Login", this.superLoginForm)
            .then(() => {
              this.$router.push({path: this.redirect || "/"});
            })
            .catch(() => {
              this.loading = false;
              this.getCaptcha();
            });
        }
      });
    },
    handleClick(tab, event) {
      console.log(tab, event);
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
